/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.container.implementations;

import net.minecraft.entity.player.InventoryPlayer;
import net.minecraft.item.ItemStack;

import appeng.api.config.Actionable;
import appeng.api.config.PowerMultiplier;
import appeng.api.implementations.guiobjects.IPortableCell;
import appeng.container.interfaces.IInventorySlotAware;
import appeng.util.Platform;

public class ContainerMEPortableCell extends ContainerMEMonitorable {

    private double powerMultiplier = 0.5;

    private final IPortableCell civ;
    private int ticks = 0;
    private final int slot;

    public ContainerMEPortableCell(final InventoryPlayer ip, final IPortableCell monitorable) {
        super(ip, monitorable, false);
        if (monitorable instanceof IInventorySlotAware) {
            final int slotIndex = ((IInventorySlotAware) monitorable).getInventorySlot();
            this.lockPlayerInventorySlot(slotIndex);
            this.slot = slotIndex;
        } else {
            this.slot = -1;
            this.lockPlayerInventorySlot(ip.currentItem);
        }
        this.civ = monitorable;
        this.bindPlayerInventory(ip, 0, 0);
    }

    @Override
    public void detectAndSendChanges() {
        final ItemStack currentItem = this.slot < 0 ? this.getPlayerInv().getCurrentItem()
                : this.getPlayerInv().getStackInSlot(this.slot);

        if (this.civ != null) {
            if (currentItem != this.civ.getItemStack()) {
                if (currentItem != null) {
                    if (Platform.isSameItem(this.civ.getItemStack(), currentItem)) {
                        this.getPlayerInv()
                                .setInventorySlotContents(this.getPlayerInv().currentItem, this.civ.getItemStack());
                    } else {
                        this.setValidContainer(false);
                    }
                } else {
                    this.setValidContainer(false);
                }
            }
        } else {
            this.setValidContainer(false);
        }

        // drain 1 ae t
        this.ticks++;
        if (this.ticks > 10) {
            this.civ.extractAEPower(
                    this.getPowerMultiplier() * this.ticks,
                    Actionable.MODULATE,
                    PowerMultiplier.CONFIG);
            this.ticks = 0;
        }
        super.detectAndSendChanges();
    }

    private double getPowerMultiplier() {
        return this.powerMultiplier;
    }

    void setPowerMultiplier(final double powerMultiplier) {
        this.powerMultiplier = powerMultiplier;
    }
}
